Updated code

src/main/java/net/gepafin/tendermanagement/dao/ApplicationEvaluationDao.java

@@ -582,10 +582,11 @@ public class ApplicationEvaluationDao {
                 applicationAmendmentRequestRepository.findAllByApplicationEvaluationIdAndIsDeletedFalse(entity.getId());
 
 // Fetch amendment details from the request
+        if(req.getAmendmentDetails()!=null) {
         List<AmendmentDetailsRequest> amendmentDetailsRequests = req.getAmendmentDetails();
 
         updateAmendmentDocumentsAndFormFields(applicationAmendmentRequestEntities, amendmentDetailsRequests);
-
+}
 
         ApplicationEvaluationEntity savedEntity = applicationEvaluationRepository.save(entity);